diff --git a/package.json b/package.json
index bf82a7b..5dd1225 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "blocking-elements",
   "version": "0.0.2",
-  "description": "A polyfill for the proposed blocking elments stack API",
+  "description": "A polyfill for the proposed blocking elements stack API",
   "main": "dist/blocking-elements.js",
   "author": "Valdrin Koshi <valdrin@google.com>",
   "license": "Apache-2.0",
@@ -63,6 +63,16 @@
         "Windows 10",
         "microsoftedge",
         "latest"
+      ],
+      [	
+        "OS X 10.14",	
+        "safari",	
+        "12"	
+      ],
+      [	
+        "OS X 10.13",	
+        "safari",	
+        "11"	
       ]
     ]
   }